<!DOCTYPE HTML>
<html >
<head>
    <title>商品详情</title>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
    <!-- jquery -->
    <script src="js/jquery.min.js"></script>
    <!-- bootstrap -->
    <link rel="stylesheet" type="text/css" href="bootstrap/css/bootstrap.min.css" />
    <script type="text/javascript" src="bootstrap/js/bootstrap.min.js"></script>
    <!-- jquery-validator -->
    <script type="text/javascript" src="jquery-validation/jquery.validate.min.js"></script>
    <script type="text/javascript" src="jquery-validation/localization/messages_zh.min.js"></script>
    <!-- layer -->
    <script  src="layer/layer.js"></script>
    <!-- md5.js -->
    <script src="js/md5.min.js"></script>
    <!-- common.js -->
    <script src="js/common.js"></script>
</head>
<body>

<div class="panel panel-default" >
    <div class="panel-heading">秒杀商品详情</div>
    <div class="panel-body">
        <span id="userTip"> 您还没有登录，请登陆后再操作<br/></span>
        <!--<span>没有收货地址的提示。。。</span>-->
    </div>
    <table class="table" id="goodslist">
        <tr>
            <td>商品名称</td>
            <td colspan="3" id="goodsName"></td>
        </tr>
        <tr>
            <td>商品图片</td>
            <td colspan="3"><img  id="goodsImg" width="200" height="200" /></td>
        </tr>
        <tr>
            <td>秒杀开始时间</td>
            <td id="startTime"></td>
            <td >
                <input type="hidden" id="remainSeconds" />
                <span id="miaoshaTip"></span>
            </td>
            <td>
                <div class="row">
                    <div class="form-inline">
                        <img id="verifyCodeImg" width="120" height="32"  style="display:none" onclick="refreshVerifyCode()"/>
                        <input id="verifyCode" width="100"  class="form-control" style="display:none"/>
                        <button class="btn btn-primary btn-block" style="width: 80px" type="button"   id="buyButton" onclick="getMiaoshaPath()">立即秒杀</button>
                    </div>
                </div>
                <input type="hidden" name="goodsId"  id="goodsId" />
            </td>
        </tr>
        <tr>
            <td>商品原价</td>
            <td colspan="3" id="goodsPrice"></td>
        </tr>
        <tr>
            <td>秒杀价</td>
            <td colspan="3"  id="miaoshaPrice"></td>
        </tr>
        <tr>
            <td>库存数量</td>
            <td colspan="3"  id="stockCount"></td>
        </tr>
    </table>
</div>
</body>
<script>
    
    function getMiaoshaPath() {
        $.ajax({
            url:"/miaosha/getMiaoshaPath.do",
            type:"GET",
            data:{
                goodsId:$("#goodsId").val(),
                verifyCode:$("#verifyCode").val()
            },
            success:function(data){
                if(data.code == 0){
                    var path = data.data;
                    doMiaosha(path);
                }else{
                    layer.msg(data.msg);
                }
            },
            error:function(){
                layer.msg("客户端请求/miaosha/getMiaoshaPath.do有误");
            }
        });
    }

    function getMiaoshaResult(goodsId){
        g_showLoading();
        layer.msg("秒杀中。。。。。。");
        $.ajax({
            url:"/miaosha/result.do",
            type:"GET",
            data:{
                goodsId:$("#goodsId").val(),
            },
            success:function(data){
                if(data.code == 0){
                    var result = data.data;
                    if(result < 0){
                        layer.msg("对不起，秒杀失败");
                    }else if(result == 0){//继续轮询
                        setTimeout(function(){
                            getMiaoshaResult(goodsId);
                        },50);
                    }else{
                        layer.confirm("恭喜你，秒杀成功！查看订单？", {btn:["确定","取消"]},
                                function(){
                                    window.location.href="/order_detail.htm?orderId="+result;
                                },
                                function(){
                                    layer.closeAll();
                                });
                    }
                }else {
                    layer.msg(data.msg);
                }
            },
            error:function(){
                layer.msg("客户端请求/miaosha/result.do有误");
            }
        });
    }

    function doMiaosha(path){
        $.ajax({
            url:"/miaosha/"+path+"/miaosha.do",
            type:"POST",
            data:{
                goodsId:$("#goodsId").val(),
            },
            success:function(data){
                if(data.code == 0){
                    layer.msg(data.msg);
                    getMiaoshaResult($("#goodsId").val());
                }else{
                    layer.msg(data.msg);
                    return;
                }
            },
            error:function(){
                layer.msg("客户端请求/miaosha/miaosha.do有误");
            }
        });

    }

    function render(detail){
        var miaoshaStatus = detail.miaoshaStatus;
        var  remainSeconds = detail.remainSeconds;
        var goods = detail.goodsVo;
        var user = detail.user;
        if(user){
            $("#userTip").hide();
        }
        $("#goodsName").text(goods.goodsName);
        $("#goodsImg").attr("src", goods.goodsImg);
        $("#startTime").text(new Date(goods.startDate).format("yyyy-MM-dd hh:mm:ss"));
        $("#remainSeconds").val(remainSeconds);
        $("#goodsId").val(goods.id);
        $("#goodsPrice").text(goods.goodsPrice);
        $("#miaoshaPrice").text(goods.miaoshaPrice);
        $("#stockCount").text(goods.stockCount);
        countDown();
    }

    $(function(){
        //countDown();
        getDetail();
    });

    function getDetail(){
        var goodsId = g_getQueryString("goodsId");
        $.ajax({
            url:"/goods/detail.do/"+goodsId,
            type:"GET",
            success:function(data){
                if(data.code == 0){
                    render(data.data);
                }else{
                    layer.msg(data.msg);
                }
            },
            error:function(){
                layer.msg("客户端请求/goods/detail.do/"+goodsId+"有误");
            }
        });
    }

    function countDown(){
        var remainSeconds = $("#remainSeconds").val();
        var timeout;
        if(remainSeconds > 0){//秒杀还没开始，倒计时
            $("#buyButton").attr("disabled", true);
            $("#miaoshaTip").html("秒杀倒计时："+remainSeconds+"秒");
            timeout = setTimeout(function(){
                $("#countDown").text(remainSeconds - 1);
                $("#remainSeconds").val(remainSeconds - 1);
                countDown();
            },1000);
        }else if(remainSeconds == 0){//秒杀进行中
            $("#buyButton").attr("disabled", false);
            if(timeout){
                clearTimeout(timeout);
            }
            $("#miaoshaTip").html("秒杀进行中");
            $("#verifyCodeImg").attr("src", "/miaosha/verifyCode.do?goodsId="+$("#goodsId").val());
            $("#verifyCodeImg").show();
            $("#verifyCode").show();
        }else{//秒杀已经结束
            $("#buyButton").attr("disabled", true);
            $("#miaoshaTip").html("秒杀已经结束");
            $("#verifyCodeImg").hide();
            $("#verifyCode").hide();
        }
    }

    function refreshVerifyCode(){
        $("#verifyCodeImg").attr("src", "/miaosha/verifyCode.do?goodsId="+$("#goodsId").val()+"&timestamp="+new Date().getTime());
    }


    function g_getQueryString(name) {
        var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");
        var r = window.location.search.substr(1).match(reg);
        if(r != null) return unescape(r[2]);
        return null;
    };

    Date.prototype.format = function (format) {
        var args = {
            "M+": this.getMonth() + 1,
            "d+": this.getDate(),
            "h+": this.getHours(),
            "m+": this.getMinutes(),
            "s+": this.getSeconds(),
        };
        if (/(y+)/.test(format))
            format = format.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
        for (var i in args) {
            var n = args[i];
            if (new RegExp("(" + i + ")").test(format))
                format = format.replace(RegExp.$1, RegExp.$1.length == 1 ? n : ("00" + n).substr(("" + n).length));
        }
        return format;
    };
    function g_showLoading(){
        var idx = layer.msg('处理中...', {icon: 16,shade: [0.5, '#f5f5f5'],scrollbar: false,offset: '0px', time:100000}) ;
        return idx;
    }
</script>
</html>
